install: adding scripts for formatters and LSPs

install/nvim-formatters.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+if [ $# -lt 1 ]; then
+    echo "usage: $0 <formatter>"
+    exit 1
+fi
+SELECTED=$@
+
+for sel in "${SELECTED[@]}"; do
+    case $sel in
+    "shfmt")
+        go install mvdan.cc/sh/v3/cmd/shfmt@latest
+        ;;
+    "prettier")
+        sudo npm install -g prettier
+        ;;
+    "stylua")
+        curl -sL https://github.com/JohnnyMorganz/StyLua/releases/download/v0.20.0/stylua-linux-x86_64.zip |
+            funzip |
+            sudo tee /usr/local/bin/stylua >/dev/null |
+            sudo chmod 755 /usr/local/bin/stylua
+        ;;
+    "blade")
+        sudo npm install -g blade-formatter
+        ;;
+    *)
+        echo "Unknown option: $sel"
+        exit 1
+        ;;
+    esac
+done