[ADD] build badge

Author: rikenmehta03

.github/workflows/main.yml

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+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install --no-binary :all: nmslib
+    - name: Test with nose2
+      run: |
+        pip install nose2
+        nose2

README.md

@@ -1,5 +1,7 @@
 # imSearch: A generic framework to build your own reverse image search engine
 
+![CI](https://github.com/rikenmehta03/imsearch/workflows/CI/badge.svg?branch=master)
+
 imsearch helps to create your own custom, robust & scalable reverse image search engine. This project uses state of the art object detection algorithm ([yolov3](https://pjreddie.com/darknet/yolo/)) at its core to extract the features from an image. It uses an efficient cross-platform similarity search library [NMSLIB](https://github.com/nmslib/nmslib) for similarity search. [Redis](https://redis.io/) is used as a messaging queue between feature extractor and core engine. [MongoDB](https://www.mongodb.com/) is used to store the meta-data of all the indexed images. HD5 file system is used to store the feature vectors extracted from indexed images. 
 
 ## Installation

requirements.txt

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+Cython
+requests
+numpy
+torch>=1.4.0
+matplotlib
+wget
+opencv_python
+boto3
+redis
+pandas
+torchvision
+pymongo
+google-cloud-storage