add sniprun

lua/plugins/sniprun.lua

@@ -0,0 +1,10 @@
+return {
+  'michaelb/sniprun',
+  branch = 'master',
+
+  build = 'sh install.sh 1',
+  -- do 'sh install.sh 1' if you want to force compile locally
+  -- (instead of fetching a binary from the github release). Requires Rust >= 1.65
+
+  opts = {},
+}