Align project structure with silverbullet-plug-template

- Rename deno.jsonc to deno.json and update build tasks
- Add PLUG.md for SB v2 installation
- Update .gitignore to include .plug.js files
- Update README.md with new installation instructions
- Simplify GitHub workflow

README.md

@@ -7,11 +7,11 @@ It reads external [iCalendar](https://en.wikipedia.org/wiki/ICalendar) data, als
 
 ## Installation
 
-Run the {[Plugs: Add]} command in SilverBullet and add paste this URI into the dialog box:
+Run the {[Library: Install]} command and paste the following URL:
+`https://github.com/Maarrk/silverbullet-icalendar/blob/main/PLUG.md`
 
-```
-ghr:Maarrk/silverbullet-icalendar
-```
+Alternatively, you can use the older way with the {[Plugs: Add]} command:
+`ghr:Maarrk/silverbullet-icalendar`
 
 Then run the {[Plugs: Update]} command and off you go!
 
@@ -92,25 +92,19 @@ If you find bugs, report them on the [issue tracker on GitHub](https://github.co
 
 ### Building from source
 
-To build this plug, make sure you have [SilverBullet installed](https://silverbullet.md/Install). Then, build the plug with:
+To build this plug, you need [Deno](https://deno.land/) installed. Then, build the plug with:
 
 ```shell
 deno task build
 ```
 
-Or to watch for changes and rebuild automatically
+Or to watch for changes and rebuild automatically:
 
 ```shell
 deno task watch
 ```
 
-Then, copy the resulting `.plug.js` file into your space's `_plug` folder. Or build and copy in one command:
-
-```shell
-deno task build && cp *.plug.js /my/space/_plug/
-```
-
-SilverBullet will automatically sync and load the new version of the plug (or speed up this process by running the {[Sync: Now]} command).
+The compiled plug will be written to `icalendar.plug.js`. This file is tracked by Git in this repository to allow for easy installation via the `PLUG.md` file.
 
 ## License