Improve relative paths in .gitignore.

.gitignore

@@ -3,5 +3,5 @@
 **/.DS_Store
 **/auto/
 docs/
-tdlib/
+/tdlib/
 vcpkg/

example/android/.gitignore

@@ -1,3 +1,3 @@
-SDK/
-tdlib/
-third-party/
+/SDK*
+/tdlib*
+/third-party*

example/cpp/.gitignore

@@ -1 +1 @@
-td/
+/td/

example/csharp/.gitignore

@@ -1,5 +1,5 @@
-.vs/
-bin/
-obj/
-project.lock.json
-TdExample.csproj.user
+/.vs/
+/bin/
+/obj/
+/project.lock.json
+/TdExample.csproj.user

example/java/.gitignore

@@ -1,5 +1,5 @@
 **/*build/
-bin/
-docs/
-org/drinkless/tdlib/TdApi.java
-td/
+/bin/
+/docs/
+/org/drinkless/tdlib/TdApi.java
+/td/

example/swift/.gitignore

@@ -1,3 +1,3 @@
-xcuserdata/
-*workspace/
-td/
+/xcuserdata/
+/*workspace/
+/td/

example/uwp/app/.gitignore

@@ -1,5 +1,5 @@
-.vs/
-bin/
-obj/
-project.lock.json
-TdApp.csproj.user
+/.vs/
+/bin/
+/obj/
+/project.lock.json
+/TdApp.csproj.user

example/web/.gitignore

@@ -1,5 +1,5 @@
-OpenSSL_*.tar.gz
-openssl-OpenSSL_*/
-tdweb/dist/
-tdweb/node_modules/
-tdweb/src/prebuilt/
+/OpenSSL_*.tar.gz
+/openssl-OpenSSL_*/
+/tdweb/dist/
+/tdweb/node_modules/
+/tdweb/src/prebuilt/