move NW agent articles to NW directory

Author: halkazwini

articles/virtual-machines/extensions/network-watcher-linux.md renamed to articles/network-watcher/network-watcher-linux.md

@@ -88,11 +88,11 @@
   - name: Network Watcher Agent
     items:
     - name: Windows
-      href: ../virtual-machines/extensions/network-watcher-windows.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json
+      href: network-watcher-windows.md
     - name: Linux
-      href: ../virtual-machines/extensions/network-watcher-linux.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json
+      href: network-watcher-linux.md
     - name: Update to latest version
-      href: ../virtual-machines/extensions/network-watcher-update.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json
+      href: network-watcher-update.md
   - name: View topology
     href: network-insights-topology.md
   - name: Create a connection monitor

articles/virtual-machines/extensions/network-watcher-update.md renamed to articles/network-watcher/network-watcher-update.md

@@ -1243,13 +1243,13 @@
       items:
       - name: Linux
         displayName: Network Watcher, extension, Azure Network Watcher
-        href: ./extensions/network-watcher-linux.md
+        href: ../network-watcher/network-watcher-linux.md?toc=/azure/virtual-machines/toc.json
       - name: Windows
         displayName: Network Watcher, extension, Azure Network Watcher
-        href: ./extensions/network-watcher-windows.md
+        href: ../network-watcher/network-watcher-windows.md?toc=/azure/virtual-machines/toc.json
       - name: Update to latest version
         displayName: Network Watcher, extension, Azure Network Watcher
-        href: ./extensions/network-watcher-update.md
+        href: ../network-watcher/network-watcher-update.md?toc=/azure/virtual-machines/toc.json
     - name: InfiniBand Drivers
       items:
       - name: Linux