Empty tags now count as errors + removed empty tags from the packages list (#2390)

* Check for empty tags

* - Added the `-d:dontFetchRepos` flag
- Made empty tags an error
- Created `config.nims`
- Removed empty tags from `packages.json`

* Revert "- Added the `-d:dontFetchRepos` flag"

This reverts commit 2b653ebcf0b242887e08b95492f2cc1b2bed3a19.

* - Made empty tags an error
- Removed empty tags from `packages.json`

package_scanner.nim

@@ -174,7 +174,8 @@ proc check(): int =
             inc emptyTags
 
         if emptyTags > 0:
-          echo "W: ", name, " has ", emptyTags, " empty tags"
+          echo "E: ", name, " has ", emptyTags, " empty tags"
+          inc result
 
     if name.normalize notin names:
       names.incl name.normalize

packages.json

@@ -21824,8 +21824,7 @@
     "tags": [
       "library",
       "wrapper",
-      "parser",
-      ""
+      "parser"
     ],
     "description": "Nim wrappers for tree-sitter parser grammars",
     "license": "Apache-2.0",
@@ -22149,8 +22148,7 @@
       "library",
       "language",
       "syllable",
-      "syllables",
-      ""
+      "syllables"
     ],
     "description": "Syllable estimation for Nim.",
     "license": "MIT",
@@ -24338,8 +24336,7 @@
     "tags": [
       "draw",
       "drawing",
-      "gamedev",
-      ""
+      "gamedev"
     ],
     "description": "Simple library to draw stuff on a window",
     "license": "MIT",
@@ -24637,8 +24634,7 @@
     "url": "https://github.com/SciNim/scinim",
     "method": "git",
     "tags": [
-      "scinim",
-      ""
+      "scinim"
     ],
     "description": "The core types and functions of the SciNim ecosystem",
     "license": "MIT",
@@ -26312,8 +26308,7 @@
       "tmpfs",
       "ramdisk",
       "tempfile",
-      "linux",
-      ""
+      "linux"
     ],
     "description": "Create and remove ramdisks easily",
     "license": "MPL-2.0",