feat: Make inlay_hints priority configurable

PR: simrat39#361

Author: mosauter

Diff for: README.md

@@ -272,6 +272,9 @@ local opts = {
 
       -- The color of the hints
       highlight = "Comment",
+
+      -- priority of the virtual text
+      priority = 100,
     },
 
     -- options same as lsp hover / vim.lsp.util.open_floating_preview()

Diff for: lua/rust-tools/config.lua

@@ -56,6 +56,9 @@ local defaults = {
 
       -- The color of the hints
       highlight = "Comment",
+
+      -- priority of the virtual text
+      priority = 100,
     },
 
     -- options same as lsp hover / vim.lsp.util.open_floating_preview()

Diff for: lua/rust-tools/inlay_hints.lua

@@ -251,6 +251,7 @@ local function render_line(line, line_hints, bufnr, max_line_len)
         { virt_text, opts.highlight },
       },
       hl_mode = "combine",
+      priority = opts.priority
     })
   end
 end