docs: self hosted refactor

Signed-off-by: Raju Udava <86527202+dstala@users.noreply.github.com>

packages/noco-docs/docs/020.getting-started/050.self-hosted/010.installation.md

@@ -1,6 +1,7 @@
 ---
 title: 'Installation'
 description: 'Simple installation - takes about three minutes!'
+tags: ['Self-Hosted plan']
 keywords : ['NocoDB installation', 'NocoDB docker installation', 'NocoDB nodejs installation', 'NocoDB quick try', 'NocoDB prerequisites']
 ---
 

packages/noco-docs/docs/020.getting-started/050.self-hosted/020.environment-variables.md

@@ -2,6 +2,7 @@
 title: 'Environment Variables'
 description: 'Environment Variables for NocoDB!'
 hide_table_of_contents: true
+tags: ['Self-Hosted plan']
 keywords : ['NocoDB environment variables', 'NocoDB env variables', 'NocoDB envs', 'NocoDB env']
 ---
 

packages/noco-docs/docs/020.getting-started/050.self-hosted/030.upgrading.md

@@ -1,6 +1,7 @@
 ---
 title: 'Upgrading'
 description: 'Upgrading NocoDB : Docker, Node and Homebrew!'
+tags: ['Self-Hosted plan']
 keywords: ['NocoDB upgrade', 'upgrade NocoDB', 'upgrade nocodb']
 ---
 

packages/noco-docs/docs/020.getting-started/050.self-hosted/_category_.json

@@ -1,5 +1,5 @@
 {
-  "label": "Self Hosted",
+  "label": "On Self-Hosted plan",
   "collapsible": true,
   "collapsed": false
 }