Added walk movements

Sources/app/src/main/java/Popups/PathviewPopup.java

Sources/app/src/main/java/Popups/WalkPopup.java

Sources/app/src/main/java/Structures/WalkInfo.java

.../app/src/main/java/com/furwaz/roomview/PhotoActivity.java

Sources/app/src/main/java/com/furwaz/roomview/ZoneView.java

.../app/src/main/res/drawable-v24/ic_launcher_foreground.xml

...c/main/res/drawable/ic_baseline_arrow_back_ios_new_24.xml

...rc/main/res/drawable/ic_baseline_arrow_forward_ios_24.xml

...s/app/src/main/res/drawable/ic_baseline_directions_24.xml

.../src/main/res/drawable/ic_baseline_directions_walk_24.xml

.../app/src/main/res/drawable/ic_baseline_location_on_24.xml

Sources/app/src/main/res/drawable/ic_launcher_background.xml

Sources/app/src/main/res/drawable/ic_search_white.xml

Sources/app/src/main/res/layout/activity_photo.xml

Sources/app/src/main/res/layout/activity_zone_view.xml

Sources/app/src/main/res/layout/add_walk_popup.xml

Sources/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

.../app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

Sources/app/src/main/res/mipmap-hdpi/ic_launcher.webp

Sources/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp