Add photos transfer article (#1210)

* Init work on new article

* Continue work on article adding more sections and images

* Work on wording

* Add Pixel/Android steps and more images/text

* address feedback

* update text

* Verbiage tweaks in photo transfer article.

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Co-authored-by: Levi Portenier <levi@system76.com>
Co-authored-by: Aaron Honeycutt <aaronhoneycutt@proton.me>
Co-authored-by: Thomas Zimmerman <41023059+thomas-zimmerman@users.noreply.github.com>

content/transfer-photos-from-phone.md

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+---
+title: Transferring Photos From Your Phone to Pop!_OS
+description: >
+  How to move your photos from your Android or iPhone to Pop!\_OS
+keywords:
+  - System76
+  - Apple
+  - OS X
+  - macOS
+  - Android
+  - Google
+  - switch
+  - PopOS
+  - Pop!\_OS
+
+facebookImage: /_social/article
+twitterImage: /_social/article
+
+hidden: false
+section: switching
+tableOfContents: true
+---
+
+## From Pixel/Android to Pop!\_OS
+
+### Changing the USB Preference
+
+When you connect your Android device to your computer, a notification will appear about USB Preferences. Swipe down from the top of your screen to reach this notification:
+
+![Android USB Notification](/images/transfer-photos-from-phone/Pixel-USB-Notification.png)
+
+Once you tap on the notification, the following screen will appear:
+
+![Android USB Preferences](/images/transfer-photos-from-phone/Pixel-USB-Preferences-1.png)
+
+Select "File transfer / Android Auto":
+
+![Android USB Preferences](/images/transfer-photos-from-phone/Pixel-USB-Preferences-2.png)
+
+### Open the Files Application
+
+Next, open the <u>Files</u> application. The name of your Android device should appear in the left pane of the file browser.
+
+![Android File System](/images/transfer-photos-from-phone/Pixel-Files-1.png)
+
+Click on the device's name to explore the device's filesystem.
+
+## From iPhone to Pop!\_OS
+
+### Trusting the Computer in iOS
+
+Your iPhone will only allow filesystem access to a trusted computer. When you first connect your iPhone to your computer, a prompt will appear and ask if you want to trust the computer:
+
+![iPhone Trust Prompt](/images/transfer-photos-from-phone/iPhone-Trust-Device-scaled.png)
+
+### Open the Files application
+
+Next, open the <u>Files</u> application and click on the iPhone item in the left pane of the window. This will take you into the iPhone's filesystem.
+
+![iPhone File System](/images/transfer-photos-from-phone/iPhone-Files-2.png)
+
+### Open the DCIM Directory
+
+The directories inside DCIM are named with the year and month of when the photos inside were taken. For example, "201801__" contains photos that were taken in January of 2018.
+
+![iPhone DCIM folder/directory](/images/transfer-photos-from-phone/iPhone-Files-3.png)