Use svg icons in nav pane to standardize styling on Web, Desktop apps

Emojis varied based on device. svg icons standardize icon styles of
the web, desktop apps

src/interface/desktop/assets/icons/chat.svg

@@ -0,0 +1,24 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+   width="800px"
+   height="800px"
+   viewBox="0 0 24 24"
+   fill="none"
+   version="1.1">
+  <path
+     d="m 14.024348,9.8497703 0.04627,1.9750167"
+     stroke="#1c274c"
+     stroke-width="1.77073"
+     stroke-linecap="round" />
+  <path
+     d="m 9.6453624,9.7953624 0.046275,1.9750166"
+     stroke="#1c274c"
+     stroke-width="1.77072"
+     stroke-linecap="round" />
+  <path
+     d="m 11.90538,2.3619994 c -5.4939109,0 -9.6890976,4.0608185 -9.6890976,9.8578926 0,1.477202 0.2658016,2.542848 0.6989332,3.331408 0.433559,0.789293 1.0740097,1.372483 1.9230615,1.798517 1.7362861,0.87132 4.1946007,1.018626 7.0671029,1.018626 0.317997,0 0.593711,0.167879 0.784844,0.458501 0.166463,0.253124 0.238617,0.552748 0.275566,0.787233 0.07263,0.460801 0.05871,1.030165 0.04785,1.474824 v 4.8e-5 l -2.26e-4,0.0091 c -0.0085,0.348246 -0.01538,0.634247 -0.0085,0.861186 0.105589,-0.07971 0.227925,-0.185287 0.36735,-0.31735 0.348613,-0.330307 0.743513,-0.767362 1.176607,-1.246635 l 0.07837,-0.08673 c 0.452675,-0.500762 0.941688,-1.037938 1.41216,-1.473209 0.453774,-0.419787 0.969948,-0.822472 1.476003,-0.953853 1.323661,-0.343655 2.330132,-0.904027 3.005749,-1.76381 0.658957,-0.838568 1.073167,-2.051868 1.073167,-3.898667 0,-5.7970748 -4.195186,-9.8578946 -9.689097,-9.8578946 z M 0.92440678,12.219892 c 0,-7.0067939 5.05909412,-11.47090892 10.98097322,-11.47090892 5.921878,0 10.980972,4.46411502 10.980972,11.47090892 0,2.172259 -0.497596,3.825405 -1.442862,5.028357 -0.928601,1.181693 -2.218843,1.837914 -3.664937,2.213334 -0.211641,0.05502 -0.53529,0.268579 -0.969874,0.670658 -0.417861,0.386604 -0.865628,0.876836 -1.324566,1.384504 l -0.09131,0.101202 c -0.419252,0.464136 -0.849637,0.94059 -1.239338,1.309807 -0.210187,0.199169 -0.425281,0.383422 -0.635348,0.523424 -0.200911,0.133819 -0.449635,0.263369 -0.716376,0.281474 -0.327812,0.02226 -0.61539,-0.149209 -0.804998,-0.457293 -0.157614,-0.255993 -0.217622,-0.557143 -0.246564,-0.778198 -0.0542,-0.414027 -0.04101,-0.933065 -0.03027,-1.355183 l 0.0024,-0.0922 c 0.01099,-0.463865 0.01489,-0.820507 -0.01611,-1.06842 C 8.9434608,19.975238 6.3139711,19.828758 4.356743,18.84659 3.3355029,18.334136 2.4624526,17.578678 1.8500164,16.463713 1.2372016,15.348029 0.92459928,13.943803 0.92459928,12.219967 Z"
+     clip-rule="evenodd"
+     stroke-width="0.360886"
+     fill="#1c274c"
+     fill-rule="evenodd"
+     fill-opacity="1" />
+</svg>

src/interface/desktop/assets/icons/search.svg

@@ -0,0 +1,25 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+   width="800px"
+   height="800px"
+   viewBox="0 0 24 24"
+   fill="none"
+   version="1.1">
+  <path
+     d="m 18.562765,17.147843 c 1.380497,-1.679442 2.307667,-4.013099 2.307667,-6.330999 C 20.870432,5.3951476 16.353958,1 10.782674,1 5.2113555,1 0.69491525,5.3951476 0.69491525,10.816844 c 0,5.421663 4.51644025,9.816844 10.08775875,9.816844 2.381867,0 4.570922,-0.803307 6.296712,-2.14673 0.508475,-0.508475 4.514633,4.192839 4.514633,4.192839 1.036377,1.008544 2.113087,-0.02559 1.07671,-1.034139 z m -7.780091,1.925408 c -4.3394583,0 -8.6708434,-4.033489 -8.6708434,-8.256407 0,-4.2229187 4.3313851,-8.2564401 8.6708434,-8.2564401 4.339458,0 8.670809,4.2369112 8.670809,8.4598301 0,4.222918 -4.331351,8.053017 -8.670809,8.053017 z"
+     fill="#1c274c"
+     fill-rule="evenodd"
+     clip-rule="evenodd"
+     fill-opacity="1"
+     stroke-width="1.10519"
+     stroke-dasharray="none" />
+  <path
+     d="m 13.337351,9.3402647 0.05184,2.1532893"
+     stroke="#1c274c"
+     stroke-width="1.95702"
+     stroke-linecap="round" />
+  <path
+     d="M 8.431347,9.2809457 8.483191,11.434235"
+     stroke="#1c274c"
+     stroke-width="1.95701"
+     stroke-linecap="round" />
+</svg>

src/interface/desktop/assets/khoj.css

@@ -117,6 +117,14 @@ a.khoj-logo {
 a.khoj-nav-selected {
     background-color: var(--primary);
 }
+.nav-icon {
+    width: 24px;
+    height: 24px;
+}
+#agents-icon {
+    width: 30px;
+    height: 30px;
+}
 span.khoj-nav-item-text {
     padding-left: 8px;
 }

src/interface/desktop/utils.js

@@ -59,8 +59,11 @@ async function populateHeaderPane() {
             <img class="khoj-logo" src="./assets/icons/khoj-logo-sideways-500.png" alt="Khoj"></img>
         </a>
         <nav class="khoj-nav">
-            <a id="chat-nav" class="khoj-nav" href="./chat.html">💬 <span class="khoj-nav-item-text">Chat</span></a>
-            ${has_documents ? '<a id="search-nav" class="khoj-nav" href="./search.html">🔎 <span class="khoj-nav-item-text">Search</span></a>' : ''}
+            <a id="chat-nav" class="khoj-nav" href="./chat.html">
+              <img class="nav-icon" src="./assets/icons/chat.svg" alt="Chat">
+              <span class="khoj-nav-item-text">Chat</span>
+            </a>
+            ${has_documents ? '<a id="search-nav" class="khoj-nav" href="./search.html"><img class="nav-icon" src="./assets/icons/search.svg" alt="Search"> <span class="khoj-nav-item-text">Search</span></a>' : ''}
             ${username ? `
                 <div id="khoj-nav-menu-container" class="khoj-nav dropdown">
                     ${user_photo && user_photo != "None" ? `