Convert all remaining files to typescript.

lib/types/gpustat.d.ts

@@ -0,0 +1,25 @@
+export type GPU_Stat_Process = {
+    username: string;
+    command: string;
+    full_command: string[];
+    gpu_memory_usage: number;
+    cpu_percent: number;
+    cpu_memory_usage: number;
+    pid: number;
+};
+
+export type GPU_Stat = {
+    index: number;
+    uuid: string;
+    name: string;
+    "temperature.gpu": number;
+    "fan.speed": number;
+    "utilization.gpu": number;
+    "utilization.enc": number;
+    "utilization.dec": number;
+    "power.draw": number;
+    "enforced.power.limit": number;
+    "memory.used": number;
+    "memory.total": number;
+    processes: Process[];
+};