doc: add plugins community templates

libs/README.md

@@ -19,6 +19,11 @@ import "@logseq/libs"
 #### Samples
 https://github.com/logseq/logseq-plugin-samples
 
+#### Community templates
+
+1. https://github.com/pengx17/logseq-plugin-template-react
+2. https://github.com/pengx17/logseq-plugin-template-svelte
+
 #### Feedback
 If you have any feedback or encounter any issues, feel free to join Logseq's discord group.
 https://discord.gg/KpN4eHY