Add an nginx proxy service with consul template with the objective of
consolidating all the voltha web UIs on a single port on the host.
This update includes the first UI, portainer. Additional UIs will be
added in subsequent updates. The configuration files are currently
mounted into the container. This is temporary to simplify the
development and addition of other UIs to the proxy configuration. Once
all UIs have been added, the configuration will be copied into the
container.

Change-Id: I218c486b56a627995981489602ab44ae0edf0930
diff --git a/nginx_config/koi-win b/nginx_config/koi-win
new file mode 100644
index 0000000..72afabe
--- /dev/null
+++ b/nginx_config/koi-win
@@ -0,0 +1,103 @@
+
+charset_map  koi8-r  windows-1251 {
+
+    80  88 ; # euro
+
+    95  95 ; # bullet
+
+    9A  A0 ; #  
+
+    9E  B7 ; # ·
+
+    A3  B8 ; # small yo
+    A4  BA ; # small Ukrainian ye
+
+    A6  B3 ; # small Ukrainian i
+    A7  BF ; # small Ukrainian yi
+
+    AD  B4 ; # small Ukrainian soft g
+    AE  A2 ; # small Byelorussian short u
+
+    B0  B0 ; # °
+
+    B3  A8 ; # capital YO
+    B4  AA ; # capital Ukrainian YE
+
+    B6  B2 ; # capital Ukrainian I
+    B7  AF ; # capital Ukrainian YI
+
+    B9  B9 ; # numero sign
+
+    BD  A5 ; # capital Ukrainian soft G
+    BE  A1 ; # capital Byelorussian short U
+
+    BF  A9 ; # (C)
+
+    C0  FE ; # small yu
+    C1  E0 ; # small a
+    C2  E1 ; # small b
+    C3  F6 ; # small ts
+    C4  E4 ; # small d
+    C5  E5 ; # small ye
+    C6  F4 ; # small f
+    C7  E3 ; # small g
+    C8  F5 ; # small kh
+    C9  E8 ; # small i
+    CA  E9 ; # small j
+    CB  EA ; # small k
+    CC  EB ; # small l
+    CD  EC ; # small m
+    CE  ED ; # small n
+    CF  EE ; # small o
+
+    D0  EF ; # small p
+    D1  FF ; # small ya
+    D2  F0 ; # small r
+    D3  F1 ; # small s
+    D4  F2 ; # small t
+    D5  F3 ; # small u
+    D6  E6 ; # small zh
+    D7  E2 ; # small v
+    D8  FC ; # small soft sign
+    D9  FB ; # small y
+    DA  E7 ; # small z
+    DB  F8 ; # small sh
+    DC  FD ; # small e
+    DD  F9 ; # small shch
+    DE  F7 ; # small ch
+    DF  FA ; # small hard sign
+
+    E0  DE ; # capital YU
+    E1  C0 ; # capital A
+    E2  C1 ; # capital B
+    E3  D6 ; # capital TS
+    E4  C4 ; # capital D
+    E5  C5 ; # capital YE
+    E6  D4 ; # capital F
+    E7  C3 ; # capital G
+    E8  D5 ; # capital KH
+    E9  C8 ; # capital I
+    EA  C9 ; # capital J
+    EB  CA ; # capital K
+    EC  CB ; # capital L
+    ED  CC ; # capital M
+    EE  CD ; # capital N
+    EF  CE ; # capital O
+
+    F0  CF ; # capital P
+    F1  DF ; # capital YA
+    F2  D0 ; # capital R
+    F3  D1 ; # capital S
+    F4  D2 ; # capital T
+    F5  D3 ; # capital U
+    F6  C6 ; # capital ZH
+    F7  C2 ; # capital V
+    F8  DC ; # capital soft sign
+    F9  DB ; # capital Y
+    FA  C7 ; # capital Z
+    FB  D8 ; # capital SH
+    FC  DD ; # capital E
+    FD  D9 ; # capital SHCH
+    FE  D7 ; # capital CH
+    FF  DA ; # capital hard sign
+}