Move all OCA POS modules from oca-technical to dedicated oca-pos submodule

Reorganized 74 POS-related modules for better structure:
- Moved all odoo-bringout-oca-pos-* packages from packages/oca-technical/
- Now organized in dedicated packages/oca-pos/ submodule
- Includes payment, receipt, loyalty, order, product, and partner modules
- Maintains all module functionality while improving project organization

This creates a cleaner separation between general technical modules
and Point of Sale specific functionality.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

odoo-bringout-oca-pos-pos_config_logo/pos_config_logo/readme/CONFIGURE.md

@@ -0,0 +1,8 @@
+To configure this module, you need to:
+
+- Go to *Point of sale > Configuration > Settings*
+- Select the point of sale for which you wish to change the logo.
+- Set the *Alternative point of sale logo* setting on and upload the desired logo.
+
+From now on, that point of sale will print that logo, while the others will print the
+company one.

odoo-bringout-oca-pos-pos_config_logo/pos_config_logo/readme/CONTEXT.md

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+This module is useful for a company that runs stores with different brandings. To have
+a logo from the main branch is weird for the customer of those branded stores.

odoo-bringout-oca-pos-pos_config_logo/pos_config_logo/readme/CONTRIBUTORS.md

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+- [Tecnativa](https://tecnativa.com)
+    - David Vidal

odoo-bringout-oca-pos-pos_config_logo/pos_config_logo/readme/DESCRIPTION.md

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+This module allows to configure a point of sale logo per config to override the company
+one.

odoo-bringout-oca-pos-pos_config_logo/pos_config_logo/readme/USAGE.md

@@ -0,0 +1 @@
+When the cashier prints a receipt the point of sale logo will show up in the receipt.