change(servers.json): change provider names

- From `pia` to `private internet access`
- From `perfectprivacy` to `perfect privacy`
- From `vpnunlimited` to `vpn unlimited`
- This is done to match string constants in the code for another refactor
- Reset each of these providers servers version to `1`.

internal/models/servers.go

@@ -12,7 +12,7 @@ type AllServers struct {
 	Perfectprivacy Servers `json:"perfect privacy"`
 	Nordvpn        Servers `json:"nordvpn"`
 	Privado        Servers `json:"privado"`
-	Pia            Servers `json:"pia"`
+	Pia            Servers `json:"private internet access"`
 	Privatevpn     Servers `json:"privatevpn"`
 	Protonvpn      Servers `json:"protonvpn"`
 	Purevpn        Servers `json:"purevpn"`

internal/storage/read.go

@@ -244,7 +244,7 @@ type allVersions struct {
 	Nordvpn        serverVersion `json:"nordvpn"`
 	Perfectprivacy serverVersion `json:"perfect privacy"`
 	Privado        serverVersion `json:"privado"`
-	Pia            serverVersion `json:"pia"`
+	Pia            serverVersion `json:"private internet access"`
 	Privatevpn     serverVersion `json:"privatevpn"`
 	Protonvpn      serverVersion `json:"protonvpn"`
 	Purevpn        serverVersion `json:"purevpn"`
@@ -273,7 +273,7 @@ type allJSONRawMessages struct {
 	Nordvpn        json.RawMessage `json:"nordvpn"`
 	Perfectprivacy json.RawMessage `json:"perfect privacy"`
 	Privado        json.RawMessage `json:"privado"`
-	Pia            json.RawMessage `json:"pia"`
+	Pia            json.RawMessage `json:"private internet access"`
 	Privatevpn     json.RawMessage `json:"privatevpn"`
 	Protonvpn      json.RawMessage `json:"protonvpn"`
 	Purevpn        json.RawMessage `json:"purevpn"`

internal/storage/read_test.go

@@ -86,7 +86,7 @@ func Test_extractServersFromBytes(t *testing.T) {
 				"nordvpn": {"version": 1, "timestamp": 1},
 				"perfect privacy": {"version": 1, "timestamp": 1},
 				"privado": {"version": 1, "timestamp": 1},
-				"pia": {"version": 1, "timestamp": 1},
+				"private internet access": {"version": 1, "timestamp": 1},
 				"privatevpn": {"version": 1, "timestamp": 1},
 				"protonvpn": {"version": 1, "timestamp": 1},
 				"purevpn": {"version": 1, "timestamp": 1},

internal/storage/servers.json

@@ -39990,7 +39990,7 @@
     ]
   },
   "perfect privacy": {
-    "version": 2,
+    "version": 1,
     "timestamp": 1633357036,
     "servers": [
       {
@@ -100987,8 +100987,8 @@
       }
     ]
   },
-  "pia": {
-    "version": 8,
+  "private internet access": {
+    "version": 1,
     "timestamp": 1649712532,
     "servers": [
       {
@@ -121011,7 +121011,7 @@
     ]
   },
   "vpn unlimited": {
-    "version": 2,
+    "version": 1,
     "timestamp": 1629490858,
     "servers": [
       {