ui: style search view

Added stylesheet for search view.
Added utility function that loads all font files inside a folder.
Added icons and font files.

src/lib/utility/FileSystem.cpp

@@ -25,6 +25,13 @@ std::vector<std::string> FileSystem::getSourceFilesFromDirectory(
 	return files;
 }
 
+std::vector<std::string> FileSystem::getFileNamesFromDirectory(
+	const std::string& path, const std::vector<std::string>& extensions
+)
+{
+	return getSourceFilesFromDirectory(path, extensions);
+}
+
 bool FileSystem::isValidExtension(const std::string& filepath, const std::vector<std::string>& extensions)
 {
 	boost::filesystem::path path(filepath);

src/lib/utility/FileSystem.h

@@ -7,9 +7,14 @@
 class FileSystem
 {
 public:
-	static std::vector<std::string> getSourceFilesFromDirectory(
+	static std::vector<std::string> getSourceFilesFromDirectory( // TODO: Replace this with getFileNamesFromDirectory.
 		const std::string& path, const std::vector<std::string>& extensions
 	);
+
+	static std::vector<std::string> getFileNamesFromDirectory(
+		const std::string& path, const std::vector<std::string>& extensions
+	);
+
 	static bool exists(const std::string& path);
 	static std::string fileName(const std::string& path);