add {{folderpath}} template variable, closes https://github.com/NomarCub/obsidian-open-vscode/issues/8

minor changes:

• fix hot-reload plugin console error, close https://github.com/NomarCub/obsidian-open-vscode/issues/10
• use non-resized svg, as custom viewboxes are now supported: https://github.com/obsidianmd/obsidian-releases/pull/366#issuecomment-1315729045
• bump dependencies
• copy build system changes from obsidian-sample-plugin
• update funding with Ko-fi and Obsidian manifest
• update community plugins link in README, close https://github.com/NomarCub/obsidian-open-vscode/issues/9

Full Changelog: https://github.com/NomarCub/obsidian-open-vscode/compare/1.2.1…1.2.2