Meta: Add gn rules for dependencies of LibWeb

There's a lot of them, and LibWeb is a massive set of files to build as
well, so let's add these first :^).

Meta/gn/secondary/Userland/Libraries/LibSQL/BUILD.gn

@@ -0,0 +1,74 @@
+import("//Meta/gn/build/compiled_action.gni")
+
+compiled_action("SQLClientEndpoint") {
+  tool = "//Meta/Lagom/Tools/CodeGenerators/IPCCompiler"
+  inputs = [ "//Userland/Services/SQLServer/SQLClient.ipc" ]
+  outputs = [ "$root_gen_dir/SQLServer/SQLClientEndpoint.h" ]
+  args = [
+    rebase_path(inputs[0], root_build_dir),
+    "-o",
+    rebase_path(outputs[0], root_build_dir),
+  ]
+}
+
+compiled_action("SQLServerEndpoint") {
+  tool = "//Meta/Lagom/Tools/CodeGenerators/IPCCompiler"
+  inputs = [ "//Userland/Services/SQLServer/SQLServer.ipc" ]
+  outputs = [ "$root_gen_dir/SQLServer/SQLServerEndpoint.h" ]
+  args = [
+    rebase_path(inputs[0], root_build_dir),
+    "-o",
+    rebase_path(outputs[0], root_build_dir),
+  ]
+}
+
+shared_library("LibSQL") {
+  output_name = "sql"
+  include_dirs = [
+    "//Userland/Libraries",
+    "//Userland",
+  ]
+  sources = [
+    "AST/CreateSchema.cpp",
+    "AST/CreateTable.cpp",
+    "AST/Delete.cpp",
+    "AST/Describe.cpp",
+    "AST/Expression.cpp",
+    "AST/Insert.cpp",
+    "AST/Lexer.cpp",
+    "AST/Parser.cpp",
+    "AST/Select.cpp",
+    "AST/Statement.cpp",
+    "AST/SyntaxHighlighter.cpp",
+    "AST/Token.cpp",
+    "AST/Update.cpp",
+    "BTree.cpp",
+    "BTreeIterator.cpp",
+    "Database.cpp",
+    "HashIndex.cpp",
+    "Heap.cpp",
+    "Index.cpp",
+    "Key.cpp",
+    "Meta.cpp",
+    "Result.cpp",
+    "ResultSet.cpp",
+    "Row.cpp",
+    "SQLClient.cpp",
+    "Serializer.cpp",
+    "TreeNode.cpp",
+    "Tuple.cpp",
+    "Value.cpp",
+  ]
+  sources += get_target_outputs(":SQLClientEndpoint") +
+             get_target_outputs(":SQLServerEndpoint")
+  deps = [
+    ":SQLClientEndpoint",
+    ":SQLServerEndpoint",
+    "//AK",
+    "//Userland/Libraries/LibCore",
+    "//Userland/Libraries/LibFileSystem",
+    "//Userland/Libraries/LibIPC",
+    "//Userland/Libraries/LibRegex",
+    "//Userland/Libraries/LibSyntax",
+  ]
+}