Add front-end Electron application for Khoj local file syncing (#473)

* Initial version - setup a file-push architecture for generating embeddings with Khoj
* Use state.host and state.port for configuring the URL for the indexer
* Fix parsing of PDF files
* Read markdown files from streamed data and update unit tests
* On application startup, load in embeddings from configurations files, rather than regenerating the corpus based on file system
* Init: refactor indexer/batch endpoint to support a generic file ingestion format
* Add features to better support indexing from files sent by the desktop client
* Initial commit with Electron application
- Adds electron app
* Add import for pymupdf, remove import for pypdf
* Allow user to configure khoj host URL
* Remove search type configuration from index.html
* Use v1 path for current indexer routes

src/interface/desktop/README.md

@@ -0,0 +1,29 @@
+# Run it locally
+## Prerequisites
+Install the runtime dependencies. This command should install all dev dependencies.
+```bash
+yarn add
+```
+
+Run the application
+```bash
+yarn start
+```
+# Deploying the Electron App
+## Prerequisites
+Install the ToDesktop CLI. Full documentation can be found here: https://www.npmjs.com/package/@todesktop/cli
+```bash
+yarn global add @todesktop/cli
+```
+
+Configure the `todesktop.json` file. Fill in the `id` based on the application ID.
+
+## Build
+
+This will prompt you to login. It triggers builds for all platforms.
+
+```bash
+todesktop build
+```
+
+If you get an error saying the command is not found, make sure that your `yarn` global bin directory is in your `PATH` environment variable. You can find the location of the global bin directory by running `yarn global bin`. Add this line to your `.bashrc` or `.zshrc` file: `export PATH="$PATH:$(yarn global bin)"`.