feat(coreutils): implement coreutils and compile it using cmake

Signed-off-by: EnderIce2 <enderice2@protonmail.com>

Userspace/.vscode/c_boilerplates.code-snippets

@@ -160,5 +160,30 @@
 			"*/"
 		],
 		"description": "Create libc license."
+	},
+	"Core Utilities License": {
+		"isFileTemplate": true,
+		"prefix": [
+			"license_coreutils",
+		],
+		"body": [
+			"/*",
+			"\tThis file is part of Fennix Core Utilities.",
+			"",
+			"\tFennix Core Utilities is free software: you can redistribute it and/or",
+			"\tmodify it under the terms of the GNU General Public License as",
+			"\tpublished by the Free Software Foundation, either version 3 of",
+			"\tthe License, or (at your option) any later version.",
+			"",
+			"\tFennix Core Utilities is distributed in the hope that it will be useful,",
+			"\tbut WITHOUT ANY WARRANTY; without even the implied warranty of",
+			"\tMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the",
+			"\tGNU General Public License for more details.",
+			"",
+			"\tYou should have received a copy of the GNU General Public License",
+			"\talong with Fennix Core Utilities. If not, see <https://www.gnu.org/licenses/>.",
+			"*/"
+		],
+		"description": "Create coreutils license."
 	}
 }

Userspace/.vscode/c_cpp_properties.json

@@ -4,6 +4,7 @@
 			"name": "Fennix x64 (Linux, GCC, debug)",
 			"includePath": [
 				"${workspaceFolder}/libc/include/**",
+				"${workspaceFolder}/coreutils/include/**",
 				"${workspaceFolder}/libs/include/**"
 			],
 			"defines": [
@@ -45,6 +46,7 @@
 			"name": "Fennix x32 (Linux, GCC, debug)",
 			"includePath": [
 				"${workspaceFolder}/libc/include/**",
+				"${workspaceFolder}/coreutils/include/**",
 				"${workspaceFolder}/libs/include/**"
 			],
 			"defines": [
@@ -86,6 +88,7 @@
 			"name": "Fennix Arm (Linux, GCC, debug)",
 			"includePath": [
 				"${workspaceFolder}/libc/include/**",
+				"${workspaceFolder}/coreutils/include/**",
 				"${workspaceFolder}/libs/include/**"
 			],
 			"defines": [
@@ -107,6 +110,7 @@
 			"name": "Fennix Aarch64 (Linux, GCC, debug)",
 			"includePath": [
 				"${workspaceFolder}/libc/include/**",
+				"${workspaceFolder}/coreutils/include/**",
 				"${workspaceFolder}/libs/include/**"
 			],
 			"defines": [
@@ -126,4 +130,4 @@
 		}
 	],
 	"version": 4
-}
+}