Change nim's nimble files to make it installable (#20179)

- needs #20168 to make the stuff working

I went for this minimal solution because it seems like `compiler.nimble` and
`nimsuggest.nimble` are not in use

Co-authored-by: Clay Sweetser <Varriount@users.noreply.github.com>

compiler.nimble

@@ -1,9 +0,0 @@
-
-version = system.NimVersion
-author = "Andreas Rumpf"
-description = "Compiler package providing the compiler sources as a library."
-license = "MIT"
-
-installDirs = @["compiler", "nimsuggest"]
-
-requires "nim >= 0.14.0"

nim.nimble

@@ -0,0 +1,14 @@
+version = system.NimVersion
+author = "Andreas Rumpf"
+description = "Compiler package providing the compiler sources as a library."
+license = "MIT"
+
+bin = @["compiler/nim", "nimsuggest/nimsuggest"]
+skipFiles = @["azure-pipelines.yml" , "build_all.bat" , "build_all.sh" , "build_nimble.bat" , "build_nimble.sh" , "changelog.md" , "koch.nim.cfg" , "nimblemeta.json" , "readme.md" , "security.md" ]
+skipDirs = @["build" , "changelogs" , "ci" , "csources_v1" , "drnim" , "nimdoc", "testament"]
+
+before install:
+  when defined(windows):
+    exec "./build_all.bat"
+  else:
+    exec "./build_all.sh"

nimsuggest/nimsuggest.nimble

@@ -1,8 +0,0 @@
-version       = "0.1.0"
-author        = "Andreas Rumpf"
-description   = "Tool for providing auto completion data for Nim source code."
-license       = "MIT"
-
-bin = @["nimsuggest"]
-
-requires "nim >= 1.1.1"