añadido pos_product_available desde odoo app

https://apps.odoo.com/apps/modules/12.0/pos_product_available/

pos_product_available/doc/changelog.rst

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+`1.1.1`
+-------
+
+- [FIX] product qty available wrong rounding and overrided 'get_price' method in pos.js
+
+`1.1.0`
+-------
+
+- **New:** Added option to show product quantities
+
+`1.0.7`
+-------
+
+- **Fix:** Non rounded long values of quantities
+
+
+`1.0.6`
+-------
+
+- **FIX:** Added compatibility with pos_multi_session
+
+`1.0.5`
+-------
+
+- **FIX:** Product quantities representation according to the set location
+- **FIX:** Product quantities representation only for stockable products
+
+`1.0.4`
+-------
+
+- [FIX] incorrect products quantity numbers with pos_cache module.
+
+`1.0.3`
+-------
+
+- [FIX] compatibility with pos_cache module. Thanks to MindAndGo.
+
+`1.0.2`
+-------
+
+- [FIX] update product counter when sale via invoice
+
+`1.0.1`
+-------
+
+- Show quantity related to POS's stock location only.

pos_product_available/doc/index.rst

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+=======================
+ POS: show product qty
+=======================
+
+Installation
+============
+
+* `Install <https://odoo-development.readthedocs.io/en/latest/odoo/usage/install-module.html>`__ this module in a usual way

pos_product_available/doc/src/index.html

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+
+<section class="oe_container"><div class="oe_row oe_spaced"> <div class="oe_span12">
+        </div>
+
+        <div class="oe_span6">
+            <div class="oe_demo oe_picture oe_screenshot">
+                <img src="screenshot.png"/>
+            </div>
+        </div>
+        <div class="oe_span6">
+            <p class="oe_mt32">
+                Adds available quantity at order panel
+            </p>
+        </div>
+    </div>
+</section>
+
+<section class="oe_container oe_dark">
+    <div class="oe_row oe_spaced">
+        <div class="oe_span6">
+            <p class="oe_mt32">
+                Adds available quantity at products.
+            </p>
+        </div>
+
+        <div class="oe_span6">
+            <div class="oe_demo oe_picture oe_screenshot">
+                <img src="screenshot-2.png"/>
+            </div>
+        </div>
+    </div>
+</section>
+
+<section class="oe_container">
+    <div class="oe_row oe_spaced">
+        <div class="oe_span12">
+            <h2>Usage</h2>
+            <p class="oe_mt32">
+                There no any settings. Just install the module and start POS.
+            </p>
+            <p class="oe_mt32">
+                Works in offline mode.
+            </p>
+        </div>
+    </div>
+</section>
+

pos_product_available/doc/src/info.yaml

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+slogan: Let a cashier know how many products are available